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Billmers; Richard I.
Bensalem, PA
No. of patents:

Patent Number Title Of Patent Date Issued
5721632 Excited state polarization altering optical filter February 24, 1998
An excited state polarization altering optical filter includes a vapor cell having a population of electrons with a plurality of energy levels that receive light and transmit light according to the received light. A first pulsed dye laser applies a beam of light by way of a circular pola
5513032 Actively pumped faraday optical filter April 30, 1996
An actively pumped optical filter includes a vapor cell having a population of electrons with the plurality of energy levels which receives light and transmits light according to a pumping mechanism. A magnetic source is provided for applying a magnetic field to the vapor cell. A first p

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